Marka ay timaado iibsashada telefishin cusub ama kormeere ahaan macaamiil aan khibrad lahayn, waxaa jira erayo iyo erayo la soo gaabiyay oo kugu filan oo kaa dhigi kara wareer. Waxaa jira 720p, HD, 1080p, FHD , 2160p, UHD , 4K, iyo in ka badan - waxay noqon kartaa mid xad dhaaf ah.

Adiga oo aan si buuxda u fahmin qeexida bandhigga aad ka fiirsanayso, waxaad naftaada u furaysaa fursadda aad ku bixinayso wax ka hooseeya. Heerarka maanta, adeegsiga 32-inch 720p TV sidii kormeere kombayuutar ahaan waa masochistic xuduudeed.

Kuwa idinka mid ah oo aan ku qanacsanayn in ay u baahan yihiin in ay fariistaan ​​meel 10 cagood u jirta TV-gaaga si qoraalku ugu muuqdo mid qallafsan, waxa ay u badan tahay in aad maqashay 4K. Maanta, xallinta soo bandhigida 4K waxaa loo tixgaliyaa halbeegga marka ay timaado qulqulka tayada sare leh iyo ciyaaraha. Xaqiiqdu waxay tahay, waxaa jira dad badan oo halkaas jooga oo aan si sax ah u hubin 4K macnaheedu ama sida ay uga duwan tahay shuruudaha sida UHD iyo 2160p.

Maqaalkan, aan ka hadalno faraqa u dhexeeya 4K, UHD , iyo 2160p.

Waa maxay 4K?

Habka ugu fudud ee lagu xasuusan karo qeexitaannada bandhigga 4K ee runta ah waa in la sawiro isbarbardhigga ku saleysan lambarka (4,000) ee ereygan. Qeexitaan ahaan, bandhigyada 4K waxay leeyihiin ugu yaraan 4,000 pixels oo ah xallinta bandhig toosan. Tani waxay inta badan tixraacaysaa 4096 × 2160 xallinta, oo wadarta 8 milyan oo pixels firfircoon. Qaraarkani wuxuu leeyahay afar jeer tirada guud ee pixels sida bandhig 1080p ah.

Si kastaba ha ahaatee, xallinta bandhiga 4K ee ugu ganacsiga badan waa 3840 × 2160. Lambarka koowaad, 3,840, waa muujinta xallinta jiifka, ee pixels, lambarka labaad, 2,160 waa xallintiisa toosan. Tani waxay u muuqataa inay jebinayso xeerka keliya ee 4K, haddana waa sida ereyga loo habeeyey.

Erayga "4K" wuxuu asal ahaan ka yimid xallinta shaleemada dhijitaalka ah, oo hadda loo yaqaan DCI 4K . Xalka bandhiga 3840 × 2160 hadda waa heerka 4K sababta oo ah sida ay ugu badan tahay TV-yada iyo kormeerayaasha. Inta badan kiisaska, 4096 × 2160 xallinta ayaa fidin doona oo qalloocin doona sawirka ama waxay u baahan yihiin sanduuqyo madow oo ku yaal xagga sare iyo hoose - midkoodna macaamiishu kuma faraxsana inay arkaan.

Marka, si loo qanciyo macaamiisha guriga, 4K had iyo jeer waxay tixraacdaa 3840 × 2160 xallinta.

Waa maxay UHD?

UHD waxay u taagan tahay "Qeexitaan aad u sarreeya". Si ka duwan 4K, halkaas oo 4096 × 2160 ay tahay xallinta-qaramada runta ah, bandhiga UHD xaqiiqdii waa 3840 × 2160.

Si kastaba ha ahaatee, sida 4K aan caadi ahayn ee runta ah, UHD iyo 4K waxaa loo isticmaalaa hab la isku bedeli karo. Si farsamo ahaan u hadlaya, in kastoo, bandhig 3840 × 2160 ah waa UHD oo keliya .

Qaar ka mid ah tafaariiqda, halkii ay isticmaali lahaayeen oo keliya labada eray ee is beddelka ah, waxay tixraacaan 3840 × 2160 sida 4K UHD , taas oo ah UHDTV1 . 8K UHD waa 7680 × 4320, oo loo yaqaan UHDTV2 .

Dib ugu noqoshada waxa aan markii hore ka nidhi qeexitaanka saaxiibtinimo ee macaamiisha ee 4K, UHDTV1 (hadda loo yaqaan UHD kaliya ) iyo 4K waa isku mid.

Waa maxay 2160p?

Erayga "2160p" waxa loo isticmaalaa in lagu qeexo xallinta halka xallinta toosan ay tahay 2,160 pixels. "p" waxa ay u taagan tahay "scan horusocod ah," oo mararka qaarkood loo yaqaan "non-interlaced."

Sawirka horusocodku waa qaab kaas oo xadhkaha jir kasta ee sawirka dhaqaaqa loo sawiray siday isugu xigaan. Tani waxay ka duwan tahay fiidyowga isku xidhan, halkaas oo khadadka khayaaliga ah iyo xitaa ee jir kasta loo sawiray qaab beddelan.

Si fudud loo dhigo, 2160p waa xallinta toosan waxa 4K u yahay xallinta jiifka. Taas oo la yiraahdo, ficil ahaan dhammaan xallinta bandhigga 2160p sidoo kale waa 4K (qeexitaankeeda dabacsan).

Sug, Dhammaantood waa isku mid?

Si loo soo koobo oo loo barbardhigo, bandhigu wuxuu noqon karaa labadaba run 4K iyo 2160p (4096 × 2160). Si kastaba ha ahaatee, muuqaalka UHDTV1^(UHDTV1) (hadda loo yaqaan UHD kaliya ) had iyo jeer waa 2160p, sababtoo ah waxay tixraacaysaa xallinta 3840 × 2160.

Marka UHDTV2 (ama macaamiisha-saaxiibtinimada 8K) ay helaan caan, UHD mar dambe la mid noqon mayso 2160p sababtoo ah UHD waxaa loo dejiyay inay qeexdo labadaba 4K iyo 8K xallinta bandhigga. Tani waa marka kala soocida 4K UHD ama 8K UHD ay noqon doonto mid aad muhiim u ah in la sameeyo.

Ugu dambeyntii, qeexida la waafajiyay ee 4K awgeed, 3840 × 2160 xallin ayaa hadda loo tixraaci karaa dhammaan 4K, UHD , iyo 2160p. Markaa, xaaladaha caadiga ah iyo in la raaco qeexida dabacsan ee 4K, dhammaantood waa isku mid.

Markii ereyga "4K" la sameeyay, waxay keentay jahawareer badan suuqa bandhigga. Macaamiishu waxay yaqaaniin 720p oo loo tixraacayo HD (Qeexitaan sare) iyo 1080p oo loo tixraacayo FHD^(FHD) (Qeexitaan sare oo buuxa). Markaad tixraacayso 4K halkii ay ahaan lahayd 2160p iyo UHD , waxay noqotaa labbis oo way fududahay in la dheefshiido.

Si kastaba ha ahaatee, tafaariiqleyaashu waxay bilaabeen inay soo gaabiyaan xallinta bandhiggan sidii 4K. Tani waxay noqon kartaa sababtoo ah "2160p" kaliya si fiican ugama rogin carrabka, laakiin waxay jebisay qaab ay isticmaaleyaal badan la qabsadeen. Xitaa ka sii daran, "4K" maaha mid farsamo ahaan sax ah marka la tixraacayo xallinta 3840 × 2160 - dood daacad ah oo ka soo horjeeda caannimada ereygan.

Sababta kale ee tafaariiqleyaasha ayaa laga yaabaa inay u heellan yihiin inay wax walba ku calaamadiyaan sida 4K sababtoo ah isku-buufinta dhammaan cinwaannadan jaahwareerka ah waxay ka dhigaysaa alaabtu inay noqoto mid muuqaal leh. 4K UHD 2160p TV wuxuu u eg yahay heshiis ka weyn kan 2160p TV, sax? Hagaag, way ka badan tahay.

Marka aad wax ka iibsanayso muuqaal cusub oo ah heerkii ugu dambeeyay ee qeexitaan sare, kaliya ogow in xallinta 3840 × 2160 ay tahay waxa aad raadinayso. Waxaa jira erayo kale oo la soo gaabiyay iyo qeexitaanno aan ahayn kaliya qallafsanaan, inkastoo - tusaale ahaan, fiiri maqaallada Tips Tech Online ee 4K vs. HDR iyo Dolby Vision^{(4K vs. HDR and Dolby Vision)} .

How Is 4K Different From UHD and 2160p?

When it comes to buying a new teleνisіon оr monitor as an inexperienced consumer, there are enough terms and acronуms to make you dizzy. There’s 720p, HD, 1080p, FHD, 2160p, UHD, 4K, and more – it can get overwhelming.

Without fully understanding the specifications of the display you’re considering, you’re opening yourself up to the opportunity of overpaying for something that underperforms. By today’s standards, using a 32-inch 720p TV as a computer monitor is borderline masochistic.

For those of you who aren’t satisfied with needing to sit a full 10 feet away from your TV for text to appear crisp, you’ve probably heard about 4K. Today, 4K display resolutions are considered the standard when it comes to high-quality streaming and gaming. The thing is, there are many people out there who aren’t exactly sure what 4K means or how it differs from terms such as UHD and 2160p.

In this article, let’s talk about the differences between 4K, UHD, and 2160p.

What Is 4K?

An easy way to remember the specifications of a true 4K display is by drawing comparisons based on the number (4,000) in this term. By definition, 4K displays have at least 4,000 pixels of horizontal display resolution. This commonly refers to the 4096 × 2160 display resolution, which totals 8 million active pixels. This resolution has four times the number of total pixels as a 1080p display.

However, the most commercialized 4K display resolution is 3840 × 2160. The first number, 3,840, is the display’s horizontal resolution, in pixels, and the second number, 2,160 is its vertical resolution. This seems to break the one and only rule of being 4K, yet it’s how the term has been adapted.

The term “4K” originally comes from a digital cinema resolution, now referred to as DCI 4K. The 3840 × 2160 display resolution is now the 4K standard due to how common it is among TVs and monitors. In the majority of cases, a 4096 × 2160 display resolution will either stretch and distort the picture or require black boxes across the top and bottom – neither of which consumers are happy to see.

So, to appease home consumers, 4K almost always refers to the 3840 × 2160 display resolution.

What Is UHD?

UHD stands for “ultra high definition”. Unlike 4K, where 4096 × 2160 is the true-to-definition resolution, a UHD display is definitely 3840 × 2160.

However, with how uncommon true 4K is, UHD and 4K are used in an interchangeable way. Speaking technically, though, a 3840 × 2160 display is only UHD.

Some retailers, rather than just using the two terms interchangeably, refer to 3840 × 2160 as 4K UHD, which is UHDTV1. 8K UHD is 7680 × 4320, referred to as UHDTV2.

Going back to what we originally said about the consumer-friendly definition of 4K, UHDTV1 (presently referred to as just UHD) and 4K are the same.

What Is 2160p?

The term “2160p” is used to describe display resolutions where the vertical resolution is 2,160 pixels. The “p” stands for “progressive scan,” sometimes referred to as “non-interlaced.”

Progressive scanning is a format in which the lines of each frame of a moving image are drawn in sequence. This comes in contrast to interlaced video, where the odd and even lines of each frame are drawn in an alternating fashion.

To put it simply, 2160p is to vertical resolution what 4K is to horizontal resolution. That being said, practically all 2160p display resolutions are also 4K (by its loose definition).

Wait, They’re All the Same?

To summarize and compare, a display can be both true 4K and 2160p (4096 × 2160). However, a UHDTV1 (presently referred to as just UHD) display is always 2160p, because it refers to a display resolution of 3840 × 2160.

When UHDTV2 (or consumer-friendly 8K) gains popularity, UHD will no longer be synonymous with 2160p because UHD is set to describe both 4K and 8K display resolutions. This is when the distinction of 4K UHD or 8K UHD will be more important to make.

Finally, due to the adapted definition of 4K, a 3840 × 2160 resolution can currently be referred to as all of 4K, UHD, and 2160p. So, in conventional cases and going by the loosened definition of 4K, they’re all the same.

When the term “4K” was coined, it brought much confusion to the display market. Consumers were familiar with 720p being referred to as HD (high definition) and 1080p being referred to as FHD (full high definition). When referring to 4K instead as being 2160p and UHD, it becomes uniform and simpler to digest.

However, retailers began shorthanding this display resolution as 4K. This may be because “2160p” just doesn’t roll off the tongue very well, but it broke a format that many consumers were getting used to. Even worse, “4K” is not technically accurate when referring to a resolution of 3840 × 2160 – an honest argument against the popularity of this term.

Another reason retailers may be eager to label everything as 4K is because lumping all of these confusing titles together makes the product sound more featureful. A 4K UHD 2160p TV sounds like such a bigger deal than a 2160p TV, right? Well, it’s rather redundant.

When you’re shopping for a new display at the latest standard of high definition, just know that a resolution of 3840 × 2160 is what you’re looking for. There are other acronyms and specifications that aren’t just fluff, though – for example, check out Online Tech Tips’ article on 4K vs. HDR and Dolby Vision.

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